About the Number

25131490

25131489 ← → 25131491

2進数表記:1011111110111100111100010

漢数字表記:二千五百十三万千四百九十

素因数分解:

2 1 × 5 1 × 19 1 × 349 1 × 379 1

素因数の和:754
約数の個数: 32
約数和(自身を含む): 47880000
約数和(自身を除く): 22748510

約数列:
[1, 2, 5, 10, 19, 38, 95, 190, 349, 379, 698, 758, 1745, 1895, 3490, 3790, 6631, 7201, 13262, 14402, 33155, 36005, 66310, 72010, 132271, 264542, 661355, 1322710, 2513149, 5026298, 12565745, 25131490]

約数ペア:
[(1, 25131490), (2, 12565745), (5, 5026298), (10, 2513149), (19, 1322710), (38, 661355), (95, 264542), (190, 132271), (349, 72010), (379, 66310), (698, 36005), (758, 33155), (1745, 14402), (1895, 13262), (3490, 7201), (3790, 6631)]

このpageの処理時間: 0.004385232925415039 seconds